<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script>
			//var str="We change lives";
			//alert(str.big());
			alert(Math.PI);
			alert(Math.sin(30/(180/Math.PI)));
			alert(Math.max(10,409));
		</script>
	</head>
	<body>
	</body>
</html>
